Articles | Volume 18, issue 18
https://doi.org/10.5194/bg-18-5185-2021
https://doi.org/10.5194/bg-18-5185-2021
Research article
 | 
22 Sep 2021
Research article |  | 22 Sep 2021

Assessing the response of soil carbon in Australia to changing inputs and climate using a consistent modelling framework

Juhwan Lee, Raphael A. Viscarra Rossel, Mingxi Zhang, Zhongkui Luo, and Ying-Ping Wang

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Cited articles

ABARES: Land Use of Australia 2010–11, australian Bureau of Agricultural and Resource Economics and Sciences (ABARES), Canberra, available at: https://www.agriculture.gov.au/abares/data (last access: 1 June 2019), 2016. a, b
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ABS: Statistical Area Level 2 (SA2), australian Bureau of Statistics (ABS), Statistical Geography, available at: https://www.abs.gov.au/websitedbs/D3310114.nsf/home/geography (last access: 1 June 2019), 2016. a, b
Baldock, J. A., Wheeler, I., McKenzie, N., and McBrateny, A.: Soils and climate change: potential impacts on carbon stocks and greenhouse gas emissions, and future research for Australian agriculture, Crop Past. Sci., 63, 269–283, https://doi.org/10.1071/cp11170, 2012. a
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We performed Roth C simulations across Australia and assessed the response of soil carbon to changing inputs and future climate change using a consistent modelling framework. Site-specific initialisation of the C pools with measurements of the C fractions is essential for accurate simulations of soil organic C stocks and composition at a large scale. With further warming, Australian soils will become more vulnerable to C loss: natural environments > native grazing > cropping > modified grazing.
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